./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:24:37,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:24:37,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:24:37,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:24:37,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:24:37,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:24:37,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:24:37,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:24:37,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:24:37,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:24:37,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:24:37,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:24:37,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:24:37,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:24:37,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:24:37,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:24:37,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:24:37,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:24:37,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:24:37,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:24:37,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:24:37,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:24:37,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:24:37,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:24:37,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:24:37,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:24:37,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:24:37,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:37,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:24:37,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:24:37,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:24:37,348 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:24:37,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:24:37,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-11-25 03:24:37,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:24:37,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:24:37,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:24:37,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:24:37,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:24:37,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-25 03:24:41,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/1d27de200/1bbce4a22a854a9bacd931f4735e1be7/FLAG424f8d442 [2024-11-25 03:24:41,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:24:41,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-25 03:24:41,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/1d27de200/1bbce4a22a854a9bacd931f4735e1be7/FLAG424f8d442 [2024-11-25 03:24:41,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/1d27de200/1bbce4a22a854a9bacd931f4735e1be7 [2024-11-25 03:24:41,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:24:41,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:24:41,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:41,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:24:41,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:24:41,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:41" (1/1) ... [2024-11-25 03:24:41,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743dffd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:41, skipping insertion in model container [2024-11-25 03:24:41,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:41" (1/1) ... [2024-11-25 03:24:41,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:24:43,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-25 03:24:43,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:24:43,832 INFO L158 Benchmark]: Toolchain (without parser) took 2042.93ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 68.0MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:24:43,832 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:43,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2039.39ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 68.0MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:24:43,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2039.39ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 68.0MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:24:46,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:24:47,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:24:47,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:24:47,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:24:47,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:24:47,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:24:47,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:24:47,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:24:47,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:24:47,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:24:47,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:24:47,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:24:47,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:24:47,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:24:47,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:24:47,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:24:47,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:24:47,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:24:47,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:47,122 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:24:47,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:47,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:24:47,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d65f08cd66cd8cf714f0acd05a16714ce37780b9ed1bef9a2e1e07dcf39ab8 [2024-11-25 03:24:47,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:24:47,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:24:47,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:24:47,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:24:47,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:24:47,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-25 03:24:51,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/6ae601f21/1eba31d9129d48eb953351b5ec9cf62c/FLAGb2815a425 [2024-11-25 03:24:51,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:24:51,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i [2024-11-25 03:24:51,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/6ae601f21/1eba31d9129d48eb953351b5ec9cf62c/FLAGb2815a425 [2024-11-25 03:24:51,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/data/6ae601f21/1eba31d9129d48eb953351b5ec9cf62c [2024-11-25 03:24:51,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:24:51,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:24:51,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:51,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:24:51,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:24:51,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:51" (1/1) ... [2024-11-25 03:24:51,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aad33ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:51, skipping insertion in model container [2024-11-25 03:24:51,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:51" (1/1) ... [2024-11-25 03:24:51,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:24:53,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-25 03:24:53,767 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:24:53,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:53,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:24:53,964 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/sv-benchmarks/c/neural-networks/softsign_w4_r2_case_1_unsafe.c-amalgamation.i[71412,71425] [2024-11-25 03:24:54,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:54,506 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:24:54,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54 WrapperNode [2024-11-25 03:24:54,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:54,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:54,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:24:54,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:24:54,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,646 INFO L138 Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 402 [2024-11-25 03:24:54,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:54,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:24:54,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:24:54,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:24:54,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:24:54,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:24:54,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:24:54,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:24:54,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:54" (1/1) ... [2024-11-25 03:24:54,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:54,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:24:54,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:24:54,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:24:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 03:24:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-25 03:24:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-25 03:24:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-25 03:24:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:24:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:24:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:24:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-25 03:24:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-25 03:24:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:24:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:24:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-25 03:24:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 03:24:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-25 03:24:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 03:24:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 03:24:55,262 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:24:55,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:25:17,979 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-25 03:25:17,979 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:25:18,477 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:25:18,478 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-25 03:25:18,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:25:18 BoogieIcfgContainer [2024-11-25 03:25:18,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:25:18,479 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:25:18,479 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:25:18,540 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:25:18,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:25:18" (1/1) ... [2024-11-25 03:25:18,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:25:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-11-25 03:25:18,626 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-25 03:25:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:25:18,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:18,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:25:18,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:25:18,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:25:18,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:25:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:34,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:25:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:35,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 03:25:35,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:36,373 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 03:25:36,450 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 03:25:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:36,761 INFO L224 Elim1Store]: Index analysis took 182 ms [2024-11-25 03:25:37,978 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-11-25 03:25:37,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 69 [2024-11-25 03:25:38,124 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:25:38,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:40,284 INFO L349 Elim1Store]: treesize reduction 125, result has 17.2 percent of original size [2024-11-25 03:25:40,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 14862 treesize of output 14727 [2024-11-25 03:25:55,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:55,935 INFO L224 Elim1Store]: Index analysis took 121 ms [2024-11-25 03:25:55,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-11-25 03:25:56,081 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:25:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:25:57,847 INFO L349 Elim1Store]: treesize reduction 115, result has 18.4 percent of original size [2024-11-25 03:25:57,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 16630 treesize of output 16471 [2024-11-25 03:26:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:26:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:26:10,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2024-11-25 03:26:10,683 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 03:26:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:26:12,247 INFO L349 Elim1Store]: treesize reduction 125, result has 17.2 percent of original size [2024-11-25 03:26:12,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 14862 treesize of output 14727 [2024-11-25 03:26:24,113 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 03:26:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:26:29,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:26:40,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:26:44,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:26:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-11-25 03:26:46,625 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-25 03:26:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:26:46,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:46,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:46,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:46,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:26:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:47,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:48,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:26:48,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:26:50,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:27:07,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:27:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-11-25 03:27:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-25 03:27:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:27:23,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:27:23,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:27:23,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:27:23,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:27:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:24,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:27:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:25,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:27:25,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:27:29,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:27:50,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:28:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-11-25 03:28:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-11-25 03:28:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:28:32,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:32,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:32,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:32,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:32,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:28:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:33,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:33,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:28:33,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:33,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:28:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-11-25 03:28:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-11-25 03:28:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:28:50,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:50,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:50,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:50,334 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:50,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:28:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:51,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:51,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:28:51,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:28:54,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:28:57,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 85 states and 149 transitions. [2024-11-25 03:29:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 149 transitions. [2024-11-25 03:29:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:29:18,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:18,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:18,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:18,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:29:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:19,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:20,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:29:20,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:29:20,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:29:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-11-25 03:29:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-11-25 03:29:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:29:31,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:31,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:31,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:31,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:29:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:32,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:32,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:29:32,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:29:45,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 03:30:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 163 transitions. [2024-11-25 03:30:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 163 transitions. [2024-11-25 03:30:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:30:00,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:00,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:00,145 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:00,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:30:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:01,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:01,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:30:01,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:30:02,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:30:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2024-11-25 03:30:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2024-11-25 03:30:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:30:36,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:36,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:36,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:36,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:30:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:38,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:38,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:30:38,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-25 03:30:39,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:30:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 187 transitions. [2024-11-25 03:30:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2024-11-25 03:30:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:30:45,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:45,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:45,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:45,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:45,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:30:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:46,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:47,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:30:47,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-25 03:30:47,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:30:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 93 states and 168 transitions. [2024-11-25 03:30:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2024-11-25 03:30:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:30:53,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:53,276 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:53,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:30:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:54,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:55,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:30:55,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:30:56,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:30:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 167 transitions. [2024-11-25 03:30:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 167 transitions. [2024-11-25 03:30:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:30:56,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:56,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:56,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:30:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:57,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:58,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:30:58,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:30:59,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:31:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 94 states and 169 transitions. [2024-11-25 03:31:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 169 transitions. [2024-11-25 03:31:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:31:11,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:11,168 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:11,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:31:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:13,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:14,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:31:14,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:31:32,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:32:06,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:32:38,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-25 03:34:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 104 states and 204 transitions. [2024-11-25 03:34:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 204 transitions. [2024-11-25 03:34:23,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 03:34:23,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:23,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:23,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:34:23,773 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:34:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:34:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:25,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:34:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:26,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 03:34:26,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:34:26,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:34:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 105 states and 204 transitions. [2024-11-25 03:34:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 204 transitions. [2024-11-25 03:34:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:34:41,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:41,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:41,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:34:41,264 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:34:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:34:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:42,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:34:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:43,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:34:43,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:34:43,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:35:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 106 states and 203 transitions. [2024-11-25 03:35:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2024-11-25 03:35:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:35:13,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:13,248 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:13,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:35:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:14,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:35:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:15,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:35:15,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:35:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:35:15,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 03:35:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 205 transitions. [2024-11-25 03:35:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 205 transitions. [2024-11-25 03:35:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:35:31,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:31,552 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:31,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:35:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:34,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:35:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:34,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:35:34,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:36:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:36:10,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d659b5-63ee-438d-938a-893dd7e8221e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:37:40,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []